Home / 879,882.47-1,214,237.81-477,474.47

Finding the Fourth Proportional to 879,882.47, 1,214,237.81 and 477,474.47

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Solution

The fourth proportional to 879,882.47, 1,214,237.81 and 477,474.47 is: 658,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,882.47 : 1,214,237.81 = 477,474.47 : x
  2. Step 2: Convert to fraction form
    879,882.47/1,214,237.81 = 477,474.47/x
  3. Step 3: Cross multiply
    879,882.47x = 1,214,237.81 × 477,474.47
  4. Step 4: Simplify right side
    879,882.47x = 579,767,546,325.15
  5. Step 5: Solve for x
    x = 579,767,546,325.15/879,882.47
  6. Step 6: Final answer
    x = 658,914.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.